Term Name:	Mast syndrome
Synonyms:	autosomal recessive spastic paraplegia 21, autosomal recessive spastic paraplegia type 21, hereditary spastic paraplegia 21, SPG21
Definition:	A hereditary spastic paraplegia associated with dementia.
Ontology:	Human Disease [DOID:0060245]   ( DOID:0060245 )